National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Overcast

56°F

13°C

Humidity 67%
Wind Speed S 12 mph
Barometer 29.73 in (1006.8 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 26 Mar 5:54 pm EDT
Extended Forecast for

Watertown MA

  • Tonight

    Tonight: Rain, mainly before 4am. Patchy fog between midnight and 1am. Low around 42. Southwest wind 6 to 10 mph becoming west after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Rain and
    Patchy Fog

  • Friday

    Friday: A chance of rain, mainly before 8am. Partly sunny, with a high near 49. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 49 °F

    Chance Rain
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 26. North wind around 6 mph.

    Low: 26 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 38. North wind 6 to 8 mph.

    High: 38 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 26. Light northwest wind.

    Low: 26 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 50. Southwest wind 6 to 13 mph, with gusts as high as 23 mph.

    High: 50 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 39. Southwest wind 6 to 8 mph.

    Low: 39 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 60. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 60 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 44. Southwest wind 6 to 8 mph.

    Low: 44 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Rain, mainly before 4am. Patchy fog between midnight and 1am. Low around 42. Southwest wind 6 to 10 mph becoming west after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A chance of rain, mainly before 8am. Partly sunny, with a high near 49. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 26. North wind around 6 mph.
Saturday
Partly sunny, with a high near 38. North wind 6 to 8 mph.
Saturday Night
Partly cloudy, with a low around 26. Light northwest wind.
Sunday
Mostly sunny, with a high near 50. Southwest wind 6 to 13 mph, with gusts as high as 23 mph.
Sunday Night
Mostly cloudy, with a low around 39. Southwest wind 6 to 8 mph.
Monday
Partly sunny, with a high near 60. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 44. Southwest wind 6 to 8 mph.
Tuesday
A chance of rain after 9am. Mostly cloudy, with a high near 57. Northwest wind 6 to 8 mph becoming south in the afternoon. Chance of precipitation is 30%.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 45. Southeast wind around 7 mph. Chance of precipitation is 40%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 62. Southeast wind 7 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 50%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 47. West wind around 8 mph. Chance of precipitation is 50%.
Thursday
A chance of rain. Mostly cloudy, with a high near 62. West wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown MA
 42.37°N 71.16°W (Elev. 46 ft)
Last Update:
2:57 pm EDT Mar 26, 2026
Forecast Valid:
6pm EDT Mar 26, 2026-6pm EDT Apr 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation